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Hymenachne · Kew POWO · Kew Plants of the World Online
Hymenachne
Sign in to saveHymenachne, synonym Dallwatsonia, is a genus of widespread wetland plants in the grass family Poaceae. They are commonly known as marsh grasses. They are distributed in tropical and subtropical regions of Asia, the Americas, and the Pacific Islands. A species from the Americas, H. amplexicaulis, is well known in other parts of the world as an introduced and invasive species.
Species
GENUS
- KingdomPlantae
- PhylumTracheophyta
- ClassLiliopsida
- OrderPoales
- FamilyPoaceae
via GBIF · Kew POWO
Museum specimens
- Specimen records
- 528
- With media
- 366
- Family
- Poaceae
- Collections
- UJAT, SALK, USF, IND, US, PEMB
- Recorded in
- Mexico, United States, Indonesia, Brazil, Argentina, Sri Lanka
Wikidata facts
Show 6 more facts
- Commons category
- Hymenachne
- taxon name
- Hymenachne
- taxon rank
- genus
- topic's main category
- Category:Hymenachne
- taxon common name
- 膜稃草属
Sources (2)
via Wikidata · CC0
~3 min read
Encyclopedic overview
4 sectionsContents
- Description
- Taxonomy
- Species
- References
Hymenachne, synonym Dallwatsonia, is a genus of widespread wetland plants in the grass family Poaceae. They are commonly known as marsh grasses. They are distributed in tropical and subtropical regions of Asia, the Americas, and the Pacific Islands. A species from the Americas, H. amplexicaulis, is well known in other parts of the world as an introduced and invasive species.
==Description== Hymenachne species are aquatic plants frequently found in marshes and other wet habitats. Their stems may be spongy with aerenchyma tissue. The longest stems can reach . They are perennial, sometimes with rhizomes. The leaves are linear or lance-shaped. The inflorescence is usually a cylindrical, spike-shaped panicle, rarely with branches.
Excerpted from Wikipedia’s “Hymenachne” article, available under the CC BY-SA 4.0 licence.